package main

import "fmt"

func main() {
	fmt.Println("Hello"[0])
	fmt.Println(string(72))
	for _, char := range []rune("李毅你好") {
		fmt.Println(string(char))
	}
	a := []rune("李毅你好")
	fmt.Println(len(a))
	b := "李毅你好"
	fmt.Println(len(b))
}
